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Class Information
Number: 420/504
Name: Alloys or metallic compositions > Silver base > Copper containing > Zinc, or cadmium containing
Description: Alloy, or metallic composition which additionally contains at least one of the metals zinc, or cadmium.










Patents under this class:

Patent Number Title Of Patent Date Issued
8668787 Silver alloy, sputtering target material thereof, and thin film thereof Mar. 11, 2014
8360176 Brazing methods for PDC cutters Jan. 29, 2013
8252127 Sputtering target material Aug. 28, 2012
7959855 White precious metal alloy Jun. 14, 2011
7876017 Commutator and brush materials for small electric motor, clad composite material, and small electric DC motor using the same Jan. 25, 2011
7198683 Sterling silver alloy compositions of exceptional and reversible hardness, and enhanced tarnish resistance Apr. 3, 2007
7160632 Material for sliding contacts, clad composite material and small-sized DC motor using the same Jan. 9, 2007
7128871 Silver-colored alloy with low percentages of copper and zinc Oct. 31, 2006
7128792 Sterling silver manganese alloy compositions Oct. 31, 2006
6913657 Hard precious metal alloy member and method of manufacturing same Jul. 5, 2005
6841012 Anti-tarnish silver alloy Jan. 11, 2005
6726877 Silver alloy compositions Apr. 27, 2004
6299835 Cadmium-free silver alloy as low-melting brazing filler material Oct. 9, 2001
6245166 Material for sliding contact, composite clad material, and small-sized direct current motor using the same Jun. 12, 2001
5972131 Ag-Cu alloy for a sliding contact Oct. 26, 1999
5882441 Silver colored alloy with low percentage copper Mar. 16, 1999
5817195 Silver colored alloy with low percentage of nickel and copper Oct. 6, 1998
5531962 Cadmium-free silver alloy brazing solder, method of using said solder, and metal articles brazed with said solder Jul. 2, 1996
5250229 Silver-rich conductor compositions for high thermal cycled and aged adhesion Oct. 5, 1993
5185125 Dental alloy and amalgam thereof Feb. 9, 1993
5171643 Electric contact material and electric contact using said material Dec. 15, 1992
5045411 Alloy compositions Sep. 3, 1991
5039479 Silver alloy compositions, and master alloy compositions therefor Aug. 13, 1991
5021214 Ag alloy of high discoloration resistance Jun. 4, 1991
4973446 Silver alloy compositions Nov. 27, 1990
4859240 Dental amalgam alloy Aug. 22, 1989
4842955 Homogeneous, metastable BAg-group brazing alloys Jun. 27, 1989
4810308 Silver alloys of exceptional and reversible hardness Mar. 7, 1989
4686082 Dental amalgam alloy Aug. 11, 1987
4664629 Dental composition mixture May. 12, 1987
4528034 Selenium-containing amalgam alloys for dental restoration and method for the preparation thereof Jul. 9, 1985
4462841 Silver-metal oxide alloy electrical contact materials Jul. 31, 1984
4453977 Low silver containing dental amalgam alloys Jun. 12, 1984
4427628 Dental amalgam alloy Jan. 24, 1984
4409181 Brazing compositions Oct. 11, 1983
4385892 Setting compositions for dental purposes May. 31, 1983
4344794 Solder alloy for the direct soldering of oxide containing silver catalyst on catalyst carrier Aug. 17, 1982
4242134 Cadmium-free silver based brazing alloy Dec. 30, 1980
4052531 Indium-containing silver-copper-zinc brazing alloy Oct. 4, 1977
3997328 Dental amalgams Dec. 14, 1976
3997330 Dental amalgams Dec. 14, 1976
3963484 Dental amalgam alloys Jun. 15, 1976











 
 
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